23140450155 has 8 divisors (see below), whose sum is σ = 37024720272. Its totient is φ = 12341573408.

The previous prime is 23140450147. The next prime is 23140450169. The reversal of 23140450155 is 55105404132.

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

It is a cyclic number.

It is not a de Polignac number, because 23140450155 - 2³ = 23140450147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 771348324 + ... + 771348353.

It is an arithmetic number, because the mean of its divisors is an integer number (4628090034).

Almost surely, 2^23140450155 is an apocalyptic number.

23140450155 is a deficient number, since it is larger than the sum of its proper divisors (13884270117).

23140450155 is a wasteful number, since it uses less digits than its factorization.

23140450155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542696685.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 23140450155 its reverse (55105404132), we get a palindrome (78245854287).

The spelling of 23140450155 in words is "twenty-three billion, one hundred forty million, four hundred fifty thousand, one hundred fifty-five".