101123030523 has 32 divisors (see below), whose sum is σ = 144584773632. Its totient is φ = 62702640000.

The previous prime is 101123030513. The next prime is 101123030531. The reversal of 101123030523 is 325030321101.

It is not a de Polignac number, because 101123030523 - 2⁴ = 101123030507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101123030523.

It is not an unprimeable number, because it can be changed into a prime (101123030513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4433398 + ... + 4456148.

It is an arithmetic number, because the mean of its divisors is an integer number (4518274176).

Almost surely, 2^101123030523 is an apocalyptic number.

101123030523 is a deficient number, since it is larger than the sum of its proper divisors (43461743109).

101123030523 is a wasteful number, since it uses less digits than its factorization.

101123030523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24555.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 101123030523 its reverse (325030321101), we get a palindrome (426153351624).

The spelling of 101123030523 in words is "one hundred one billion, one hundred twenty-three million, thirty thousand, five hundred twenty-three".