101400122515023 has 80 divisors (see below), whose sum is σ = 165903867740160. Its totient is φ = 61442678304000.

The previous prime is 101400122515019. The next prime is 101400122515033. The reversal of 101400122515023 is 320515221004101.

It is a happy number.

101400122515023 is a `hidden beast` number, since 1 + 0 + 1 + 4 + 0 + 0 + 122 + 515 + 0 + 23 = 666.

It is not a de Polignac number, because 101400122515023 - 2² = 101400122515019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101400122515033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17967498 + ... + 22926648.

It is an arithmetic number, because the mean of its divisors is an integer number (2073798346752).

Almost surely, 2^{101400122515023} is an apocalyptic number.

101400122515023 is a deficient number, since it is larger than the sum of its proper divisors (64503745225137).

101400122515023 is a wasteful number, since it uses less digits than its factorization.

101400122515023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4959690 (or 4959681 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 101400122515023 its reverse (320515221004101), we get a palindrome (421915343519124).

The spelling of 101400122515023 in words is "one hundred one trillion, four hundred billion, one hundred twenty-two million, five hundred fifteen thousand, twenty-three".