101013432123 has 4 divisors (see below), whose sum is σ = 134684576168. Its totient is φ = 67342288080.

The previous prime is 101013432103. The next prime is 101013432131. The reversal of 101013432123 is 321234310101.

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

It is not a de Polignac number, because 101013432123 - 2¹⁸ = 101013169979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101013432123.

It is not an unprimeable number, because it can be changed into a prime (101013432103) 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, 16835572018 + ... + 16835572023.

It is an arithmetic number, because the mean of its divisors is an integer number (33671144042).

Almost surely, 2^101013432123 is an apocalyptic number.

101013432123 is a deficient number, since it is larger than the sum of its proper divisors (33671144045).

101013432123 is an equidigital number, since it uses as much as digits as its factorization.

101013432123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33671144044.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 101013432123 its reverse (321234310101), we get a palindrome (422247742224).

The spelling of 101013432123 in words is "one hundred one billion, thirteen million, four hundred thirty-two thousand, one hundred twenty-three".