23140403443155 has 64 divisors (see below), whose sum is σ = 37779437520000. Its totient is φ = 12093184438272.

The previous prime is 23140403443147. The next prime is 23140403443159. The reversal of 23140403443155 is 55134430404132.

It is not a de Polignac number, because 23140403443155 - 2³ = 23140403443147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23140403443159) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55580439 + ... + 55995231.

It is an arithmetic number, because the mean of its divisors is an integer number (590303711250).

Almost surely, 2^{23140403443155} is an apocalyptic number.

23140403443155 is a deficient number, since it is larger than the sum of its proper divisors (14639034076845).

23140403443155 is a wasteful number, since it uses less digits than its factorization.

23140403443155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415288.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 23140403443155 its reverse (55134430404132), we get a palindrome (78274833847287).

The spelling of 23140403443155 in words is "twenty-three trillion, one hundred forty billion, four hundred three million, four hundred forty-three thousand, one hundred fifty-five".