123213264 has 40 divisors (see below), whose sum is σ = 318869472. Its totient is φ = 40997760.

The previous prime is 123213247. The next prime is 123213281. The reversal of 123213264 is 462312321.

It is an interprime number because it is at equal distance from previous prime (123213247) and next prime (123213281).

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29379 + ... + 33309.

Almost surely, 2^123213264 is an apocalyptic number.

It is an amenable number.

123213264 is an abundant number, since it is smaller than the sum of its proper divisors (195656208).

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

123213264 is a wasteful number, since it uses less digits than its factorization.

123213264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595 (or 4589 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 123213264 is about 11100.1470260533. The cubic root of 123213264 is about 497.6062434813.

Adding to 123213264 its reverse (462312321), we get a palindrome (585525585).

The spelling of 123213264 in words is "one hundred twenty-three million, two hundred thirteen thousand, two hundred sixty-four".