123426017152 has 32 divisors (see below), whose sum is σ = 245913203520. Its totient is φ = 61706625024.

The previous prime is 123426017123. The next prime is 123426017161. The reversal of 123426017152 is 251710624321.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×123426017152² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1343968 + ... + 1432864.

It is an arithmetic number, because the mean of its divisors is an integer number (7684787610).

Almost surely, 2^123426017152 is an apocalyptic number.

It is an amenable number.

123426017152 is a deficient number, since it is larger than the sum of its proper divisors (122487186368).

123426017152 is an equidigital number, since it uses as much as digits as its factorization.

123426017152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99758 (or 99746 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 123426017152 in words is "one hundred twenty-three billion, four hundred twenty-six million, seventeen thousand, one hundred fifty-two".