1205552023 has 8 divisors (see below), whose sum is σ = 1300012448. Its totient is φ = 1111338144.

The previous prime is 1205552017. The next prime is 1205552027. The reversal of 1205552023 is 3202555021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1205552023 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 (1205552027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51411 + ... + 71092.

It is an arithmetic number, because the mean of its divisors is an integer number (162501556).

Almost surely, 2^1205552023 is an apocalyptic number.

1205552023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1205552023 is a deficient number, since it is larger than the sum of its proper divisors (94460425).

1205552023 is a wasteful number, since it uses less digits than its factorization.

1205552023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123273.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1205552023 is about 34721.0602228676. The cubic root of 1205552023 is about 1064.2949106080.

The spelling of 1205552023 in words is "one billion, two hundred five million, five hundred fifty-two thousand, twenty-three".