123021310401 has 48 divisors (see below), whose sum is σ = 198452297472. Its totient is φ = 72790552800.

The previous prime is 123021310369. The next prime is 123021310403. The reversal of 123021310401 is 104013120321.

123021310401 is a `hidden beast` number, since 1 + 230 + 2 + 1 + 31 + 0 + 401 = 666.

It is not a de Polignac number, because 123021310401 - 2⁵ = 123021310369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123021310403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11416146 + ... + 11426916.

It is an arithmetic number, because the mean of its divisors is an integer number (4134422864).

Almost surely, 2^123021310401 is an apocalyptic number.

123021310401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

123021310401 is a deficient number, since it is larger than the sum of its proper divisors (75430987071).

123021310401 is a wasteful number, since it uses less digits than its factorization.

123021310401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13514 (or 13511 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 123021310401 its reverse (104013120321), we get a palindrome (227034430722).

The spelling of 123021310401 in words is "one hundred twenty-three billion, twenty-one million, three hundred ten thousand, four hundred one".