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1223401341 = 3407800447
BaseRepresentation
bin100100011101011…
…1001111101111101
310011021001020010210
41020322321331331
510001142320331
6321221423033
742213511521
oct11072717575
93137036123
101223401341
1157863a598
122a186aa79
131665c8b26
14b86a1d81
157260e446
hex48eb9f7d

1223401341 has 4 divisors (see below), whose sum is σ = 1631201792. Its totient is φ = 815600892.

The previous prime is 1223401321. The next prime is 1223401357. The reversal of 1223401341 is 1431043221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1223401341 - 210 = 1223400317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223401321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203900221 + ... + 203900226.

It is an arithmetic number, because the mean of its divisors is an integer number (407800448).

Almost surely, 21223401341 is an apocalyptic number.

It is an amenable number.

1223401341 is a deficient number, since it is larger than the sum of its proper divisors (407800451).

1223401341 is an equidigital number, since it uses as much as digits as its factorization.

1223401341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407800450.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1223401341 is about 34977.1545583685. The cubic root of 1223401341 is about 1069.5218234879.

Adding to 1223401341 its reverse (1431043221), we get a palindrome (2654444562).

The spelling of 1223401341 in words is "one billion, two hundred twenty-three million, four hundred one thousand, three hundred forty-one".

Divisors: 1 3 407800447 1223401341