23453021342 has 4 divisors (see below), whose sum is σ = 35179532016. Its totient is φ = 11726510670.

The previous prime is 23453021329. The next prime is 23453021359. The reversal of 23453021342 is 24312035432.

It is a happy number.

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

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, 5863255334 + ... + 5863255337.

It is an arithmetic number, because the mean of its divisors is an integer number (8794883004).

Almost surely, 2^23453021342 is an apocalyptic number.

23453021342 is a deficient number, since it is larger than the sum of its proper divisors (11726510674).

23453021342 is a wasteful number, since it uses less digits than its factorization.

23453021342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11726510673.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 23453021342 its reverse (24312035432), we get a palindrome (47765056774).

The spelling of 23453021342 in words is "twenty-three billion, four hundred fifty-three million, twenty-one thousand, three hundred forty-two".