1023122401253 has 8 divisors (see below), whose sum is σ = 1030014497400. Its totient is φ = 1016230645440.

The previous prime is 1023122401243. The next prime is 1023122401283. The reversal of 1023122401253 is 3521042213201.

It can be written as a sum of positive squares in 4 ways, for example, as 123722434564 + 899399966689 = 351742^2 + 948367^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1023122401253 - 2²² = 1023118206949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023122401243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9787523 + ... + 9891503.

It is an arithmetic number, because the mean of its divisors is an integer number (128751812175).

Almost surely, 2^{1023122401253} is an apocalyptic number.

It is an amenable number.

1023122401253 is a deficient number, since it is larger than the sum of its proper divisors (6892096147).

1023122401253 is a wasteful number, since it uses less digits than its factorization.

1023122401253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170167.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1023122401253 its reverse (3521042213201), we get a palindrome (4544164614454).

The spelling of 1023122401253 in words is "one trillion, twenty-three billion, one hundred twenty-two million, four hundred one thousand, two hundred fifty-three".