123431352 has 32 divisors (see below), whose sum is σ = 336631680. Its totient is φ = 37403360.

The previous prime is 123431351. The next prime is 123431377. The reversal of 123431352 is 253134321.

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 (123431351) 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, 233508 + ... + 234035.

It is an arithmetic number, because the mean of its divisors is an integer number (10519740).

Almost surely, 2^123431352 is an apocalyptic number.

123431352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123431352 is an abundant number, since it is smaller than the sum of its proper divisors (213200328).

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

123431352 is a wasteful number, since it uses less digits than its factorization.

123431352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467563 (or 467559 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 123431352 is about 11109.9663365827. The cubic root of 123431352 is about 497.8996588212.

Adding to 123431352 its reverse (253134321), we get a palindrome (376565673).

It can be divided in two parts, 12343 and 1352, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 123431352 in words is "one hundred twenty-three million, four hundred thirty-one thousand, three hundred fifty-two".