102312023011 has 4 divisors (see below), whose sum is σ = 111613116024. Its totient is φ = 93010930000.

The previous prime is 102312022957. The next prime is 102312023041. The reversal of 102312023011 is 110320213201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102312023011 - 2²³ = 102303634403 is a prime.

It is a super-2 number, since 2×102312023011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102312023041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4650546490 + ... + 4650546511.

It is an arithmetic number, because the mean of its divisors is an integer number (27903279006).

Almost surely, 2^102312023011 is an apocalyptic number.

102312023011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102312023011 is a deficient number, since it is larger than the sum of its proper divisors (9301093013).

102312023011 is an equidigital number, since it uses as much as digits as its factorization.

102312023011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301093012.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102312023011 its reverse (110320213201), we get a palindrome (212632236212).

The spelling of 102312023011 in words is "one hundred two billion, three hundred twelve million, twenty-three thousand, eleven".