23203025542 has 16 divisors (see below), whose sum is σ = 35152995600. Its totient is φ = 11485503648.

The previous prime is 23203025537. The next prime is 23203025543. The reversal of 23203025542 is 24552030232.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23203025542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23203025543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296488 + ... + 366484.

It is an arithmetic number, because the mean of its divisors is an integer number (2197062225).

Almost surely, 2^23203025542 is an apocalyptic number.

23203025542 is a deficient number, since it is larger than the sum of its proper divisors (11949970058).

23203025542 is a wasteful number, since it uses less digits than its factorization.

23203025542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71655.

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 23203025542 its reverse (24552030232), we get a palindrome (47755055774).

The spelling of 23203025542 in words is "twenty-three billion, two hundred three million, twenty-five thousand, five hundred forty-two".