253451342202123 has 32 divisors (see below), whose sum is σ = 365920907692032. Its totient is φ = 155117488176000.

The previous prime is 253451342202031. The next prime is 253451342202133. The reversal of 253451342202123 is 321202243154352.

It is not a de Polignac number, because 253451342202123 - 2⁹ = 253451342201611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (253451342202133) 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, 13133518 + ... + 26065148.

It is an arithmetic number, because the mean of its divisors is an integer number (11435028365376).

Almost surely, 2^{253451342202123} is an apocalyptic number.

253451342202123 is a deficient number, since it is larger than the sum of its proper divisors (112469565489909).

253451342202123 is a wasteful number, since it uses less digits than its factorization.

253451342202123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12934395.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 253451342202123 its reverse (321202243154352), we get a palindrome (574653585356475).

The spelling of 253451342202123 in words is "two hundred fifty-three trillion, four hundred fifty-one billion, three hundred forty-two million, two hundred two thousand, one hundred twenty-three".