101013023123 has 4 divisors (see below), whose sum is σ = 101014086360. Its totient is φ = 101011959888.

The previous prime is 101013023107. The next prime is 101013023161. The reversal of 101013023123 is 321320310101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 101013023123 - 2⁴ = 101013023107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101013020123) 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, 373418 + ... + 584351.

It is an arithmetic number, because the mean of its divisors is an integer number (25253521590).

Almost surely, 2^101013023123 is an apocalyptic number.

101013023123 is a deficient number, since it is larger than the sum of its proper divisors (1063237).

101013023123 is an equidigital number, since it uses as much as digits as its factorization.

101013023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063236.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 101013023123 its reverse (321320310101), we get a palindrome (422333333224).

The spelling of 101013023123 in words is "one hundred one billion, thirteen million, twenty-three thousand, one hundred twenty-three".