23142541155 has 8 divisors (see below), whose sum is σ = 37028065872. Its totient is φ = 12342688608.

The previous prime is 23142541141. The next prime is 23142541157. The reversal of 23142541155 is 55114524132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23142541155 - 2¹² = 23142537059 is a prime.

It is a super-2 number, since 2×23142541155² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23142541157) 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 7 ways as a sum of consecutive naturals, for example, 771418024 + ... + 771418053.

It is an arithmetic number, because the mean of its divisors is an integer number (4628508234).

Almost surely, 2^23142541155 is an apocalyptic number.

23142541155 is a deficient number, since it is larger than the sum of its proper divisors (13885524717).

23142541155 is a wasteful number, since it uses less digits than its factorization.

23142541155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542836085.

The product of its digits is 24000, while the sum is 33.

The spelling of 23142541155 in words is "twenty-three billion, one hundred forty-two million, five hundred forty-one thousand, one hundred fifty-five".