23403520157454 has 12 divisors (see below), whose sum is σ = 50707627007856. Its totient is φ = 7801173385812.

The previous prime is 23403520157453. The next prime is 23403520157489. The reversal of 23403520157454 is 45475102530432.

23403520157454 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 3 + 5 + 20 + 1 + 574 + 54 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403520157453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 650097782134 + ... + 650097782169.

It is an arithmetic number, because the mean of its divisors is an integer number (4225635583988).

Almost surely, 2^{23403520157454} is an apocalyptic number.

23403520157454 is an abundant number, since it is smaller than the sum of its proper divisors (27304106850402).

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

23403520157454 is a wasteful number, since it uses less digits than its factorization.

23403520157454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300195564311 (or 1300195564308 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

Adding to 23403520157454 its reverse (45475102530432), we get a palindrome (68878622687886).

The spelling of 23403520157454 in words is "twenty-three trillion, four hundred three billion, five hundred twenty million, one hundred fifty-seven thousand, four hundred fifty-four".