3121001323023 has 64 divisors (see below), whose sum is σ = 4636242468864. Its totient is φ = 1858719744000.

The previous prime is 3121001323001. The next prime is 3121001323067. The reversal of 3121001323023 is 3203231001213.

It is not a de Polignac number, because 3121001323023 - 2⁵ = 3121001322991 is a prime.

It is a super-2 number, since 2×3121001323023² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121001323523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21592413 + ... + 21736473.

It is an arithmetic number, because the mean of its divisors is an integer number (72441288576).

Almost surely, 2^{3121001323023} is an apocalyptic number.

3121001323023 is a deficient number, since it is larger than the sum of its proper divisors (1515241145841).

3121001323023 is a wasteful number, since it uses less digits than its factorization.

3121001323023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144376.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3121001323023 its reverse (3203231001213), we get a palindrome (6324232324236).

The spelling of 3121001323023 in words is "three trillion, one hundred twenty-one billion, one million, three hundred twenty-three thousand, twenty-three".