122023507531 has 2 divisors, whose sum is σ = 122023507532. Its totient is φ = 122023507530.

The previous prime is 122023507471. The next prime is 122023507607. The reversal of 122023507531 is 135705320221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122023507531 - 2¹⁵ = 122023474763 is a prime.

It is a super-2 number, since 2×122023507531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122023507493 and 122023507502.

It is not a weakly prime, because it can be changed into another prime (122026507531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61011753765 + 61011753766.

It is an arithmetic number, because the mean of its divisors is an integer number (61011753766).

Almost surely, 2^122023507531 is an apocalyptic number.

122023507531 is a deficient number, since it is larger than the sum of its proper divisors (1).

122023507531 is an equidigital number, since it uses as much as digits as its factorization.

122023507531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 122023507531 its reverse (135705320221), we get a palindrome (257728827752).

The spelling of 122023507531 in words is "one hundred twenty-two billion, twenty-three million, five hundred seven thousand, five hundred thirty-one".