7523642428923 has 6 divisors (see below), whose sum is σ = 10031529573084. Its totient is φ = 5015758452024.

The previous prime is 7523642428909. The next prime is 7523642428933. The reversal of 7523642428923 is 3298242463257.

It is not a de Polignac number, because 7523642428923 - 2⁸ = 7523642428667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7523642428933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3959073 + ... + 5542701.

It is an arithmetic number, because the mean of its divisors is an integer number (1671921595514).

Almost surely, 2^{7523642428923} is an apocalyptic number.

7523642428923 is a deficient number, since it is larger than the sum of its proper divisors (2507887144161).

7523642428923 is an frugal number, since it uses more digits than its factorization.

7523642428923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167261 (or 1583632 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 57.

The spelling of 7523642428923 in words is "seven trillion, five hundred twenty-three billion, six hundred forty-two million, four hundred twenty-eight thousand, nine hundred twenty-three".