102012154023 has 32 divisors (see below), whose sum is σ = 148249043712. Its totient is φ = 62022355200.

The previous prime is 102012153983. The next prime is 102012154037. The reversal of 102012154023 is 320451210201.

It is not a de Polignac number, because 102012154023 - 2⁶ = 102012153959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102012154043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1115763 + ... + 1203723.

It is an arithmetic number, because the mean of its divisors is an integer number (4632782616).

Almost surely, 2^102012154023 is an apocalyptic number.

102012154023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102012154023 is a deficient number, since it is larger than the sum of its proper divisors (46236889689).

102012154023 is a wasteful number, since it uses less digits than its factorization.

102012154023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88335.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 102012154023 its reverse (320451210201), we get a palindrome (422463364224).

The spelling of 102012154023 in words is "one hundred two billion, twelve million, one hundred fifty-four thousand, twenty-three".