23420140310 has 32 divisors (see below), whose sum is σ = 50273298432. Its totient is φ = 7680641760.

The previous prime is 23420140213. The next prime is 23420140313. The reversal of 23420140310 is 1304102432.

It is a super-2 number, since 2×23420140310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420140313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7271726 + ... + 7274945.

It is an arithmetic number, because the mean of its divisors is an integer number (1571040576).

Almost surely, 2^23420140310 is an apocalyptic number.

23420140310 is an abundant number, since it is smaller than the sum of its proper divisors (26853158122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23420140310 is a wasteful number, since it uses less digits than its factorization.

23420140310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14546708.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 23420140310 its reverse (1304102432), we get a palindrome (24724242742).

The spelling of 23420140310 in words is "twenty-three billion, four hundred twenty million, one hundred forty thousand, three hundred ten".