102000400023 has 16 divisors (see below), whose sum is σ = 142706430720. Its totient is φ = 64680352704.

The previous prime is 102000400009. The next prime is 102000400037. The reversal of 102000400023 is 320004000201.

It is an interprime number because it is at equal distance from previous prime (102000400009) and next prime (102000400037).

It is not a de Polignac number, because 102000400023 - 2¹⁶ = 102000334487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102000399981 and 102000400008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102000408023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4116886 + ... + 4141587.

It is an arithmetic number, because the mean of its divisors is an integer number (8919151920).

Almost surely, 2^102000400023 is an apocalyptic number.

102000400023 is a deficient number, since it is larger than the sum of its proper divisors (40706030697).

102000400023 is a wasteful number, since it uses less digits than its factorization.

102000400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258678.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 102000400023 its reverse (320004000201), we get a palindrome (422004400224).

The spelling of 102000400023 in words is "one hundred two billion, four hundred thousand, twenty-three".