23401451541550 has 48 divisors (see below), whose sum is σ = 45431359921152. Its totient is φ = 8951194850400.

The previous prime is 23401451541541. The next prime is 23401451541551. The reversal of 23401451541550 is 5514515410432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23401451541551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1556095 + ... + 7016005.

It is an arithmetic number, because the mean of its divisors is an integer number (946486665024).

Almost surely, 2^{23401451541550} is an apocalyptic number.

23401451541550 is a deficient number, since it is larger than the sum of its proper divisors (22029908379602).

23401451541550 is a wasteful number, since it uses less digits than its factorization.

23401451541550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463673 (or 5463668 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 23401451541550 its reverse (5514515410432), we get a palindrome (28915966951982).

The spelling of 23401451541550 in words is "twenty-three trillion, four hundred one billion, four hundred fifty-one million, five hundred forty-one thousand, five hundred fifty".