123331413 has 16 divisors (see below), whose sum is σ = 183280320. Its totient is φ = 73310976.

The previous prime is 123331387. The next prime is 123331421. The reversal of 123331413 is 314133321.

It is not a de Polignac number, because 123331413 - 2⁵ = 123331381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123331413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123331433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62670 + ... + 64607.

It is an arithmetic number, because the mean of its divisors is an integer number (11455020).

Almost surely, 2^123331413 is an apocalyptic number.

It is an amenable number.

123331413 is a deficient number, since it is larger than the sum of its proper divisors (59948907).

123331413 is a wasteful number, since it uses less digits than its factorization.

123331413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127316.

The product of its digits is 648, while the sum is 21.

The square root of 123331413 is about 11105.4677073953. The cubic root of 123331413 is about 497.7652439450.

Adding to 123331413 its reverse (314133321), we get a palindrome (437464734).

The spelling of 123331413 in words is "one hundred twenty-three million, three hundred thirty-one thousand, four hundred thirteen".