123051401501 has 32 divisors (see below), whose sum is σ = 144725188608. Its totient is φ = 102448644480.

The previous prime is 123051401477. The next prime is 123051401509. The reversal of 123051401501 is 105104150321.

It is not a de Polignac number, because 123051401501 - 2⁶ = 123051401437 is a prime.

It is a super-2 number, since 2×123051401501² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123051401509) 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, 53803580 + ... + 53805866.

It is an arithmetic number, because the mean of its divisors is an integer number (4522662144).

Almost surely, 2^123051401501 is an apocalyptic number.

It is an amenable number.

123051401501 is a deficient number, since it is larger than the sum of its proper divisors (21673787107).

123051401501 is a wasteful number, since it uses less digits than its factorization.

123051401501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921.

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 123051401501 its reverse (105104150321), we get a palindrome (228155551822).

The spelling of 123051401501 in words is "one hundred twenty-three billion, fifty-one million, four hundred one thousand, five hundred one".