23402421455302 has 4 divisors (see below), whose sum is σ = 35103632182956. Its totient is φ = 11701210727650.

The previous prime is 23402421455291. The next prime is 23402421455333. The reversal of 23402421455302 is 20355412420432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×23402421455302² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5850605363824 + ... + 5850605363827.

It is an arithmetic number, because the mean of its divisors is an integer number (8775908045739).

Almost surely, 2^{23402421455302} is an apocalyptic number.

23402421455302 is a deficient number, since it is larger than the sum of its proper divisors (11701210727654).

23402421455302 is a wasteful number, since it uses less digits than its factorization.

23402421455302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701210727653.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 23402421455302 its reverse (20355412420432), we get a palindrome (43757833875734).

The spelling of 23402421455302 in words is "twenty-three trillion, four hundred two billion, four hundred twenty-one million, four hundred fifty-five thousand, three hundred two".