123402264 has 32 divisors (see below), whose sum is σ = 324744000. Its totient is φ = 38968992.

The previous prime is 123402263. The next prime is 123402271. The reversal of 123402264 is 462204321.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123402263) 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, 134854 + ... + 135765.

It is an arithmetic number, because the mean of its divisors is an integer number (10148250).

Almost surely, 2^123402264 is an apocalyptic number.

It is an amenable number.

123402264 is an abundant number, since it is smaller than the sum of its proper divisors (201341736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123402264 is a wasteful number, since it uses less digits than its factorization.

123402264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270647 (or 270643 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 123402264 is about 11108.6571645721. The cubic root of 123402264 is about 497.8605438452.

Adding to 123402264 its reverse (462204321), we get a palindrome (585606585).

The spelling of 123402264 in words is "one hundred twenty-three million, four hundred two thousand, two hundred sixty-four".