23331522350442 has 32 divisors (see below), whose sum is σ = 46806406175808. Its totient is φ = 7753316283776.

The previous prime is 23331522350429. The next prime is 23331522350449. The reversal of 23331522350442 is 24405322513332.

It is a self number, because there is not a number n which added to its sum of digits gives 23331522350442.

It is not an unprimeable number, because it can be changed into a prime (23331522350449) 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, 1856403 + ... + 7078790.

It is an arithmetic number, because the mean of its divisors is an integer number (1462700192994).

Almost surely, 2^{23331522350442} is an apocalyptic number.

23331522350442 is an abundant number, since it is smaller than the sum of its proper divisors (23474883825366).

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

23331522350442 is a wasteful number, since it uses less digits than its factorization.

23331522350442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8936534.

The product of its (nonzero) digits is 518400, while the sum is 39.

Adding to 23331522350442 its reverse (24405322513332), we get a palindrome (47736844863774).

The spelling of 23331522350442 in words is "twenty-three trillion, three hundred thirty-one billion, five hundred twenty-two million, three hundred fifty thousand, four hundred forty-two".