123426465 has 32 divisors (see below), whose sum is σ = 208673280. Its totient is φ = 62194944.

The previous prime is 123426449. The next prime is 123426467. The reversal of 123426465 is 564624321.

It is not a de Polignac number, because 123426465 - 2⁴ = 123426449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123426467) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17427 + ... + 23463.

It is an arithmetic number, because the mean of its divisors is an integer number (6521040).

Almost surely, 2^123426465 is an apocalyptic number.

123426465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

123426465 is a deficient number, since it is larger than the sum of its proper divisors (85246815).

123426465 is a wasteful number, since it uses less digits than its factorization.

123426465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121.

The product of its digits is 34560, while the sum is 33.

The square root of 123426465 is about 11109.7463967455. The cubic root of 123426465 is about 497.8930876443.

The spelling of 123426465 in words is "one hundred twenty-three million, four hundred twenty-six thousand, four hundred sixty-five".