23154140421030 has 16 divisors (see below), whose sum is σ = 55569937010544. Its totient is φ = 6174437445600.

The previous prime is 23154140421011. The next prime is 23154140421043. The reversal of 23154140421030 is 3012404145132.

It is a super-2 number, since 2×23154140421030² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 771804680701 = 23154140421030 / (2 + 3 + 1 + 5 + 4 + 1 + 4 + 0 + 4 + 2 + 1 + 0 + 3 + 0).

It is a congruent number.

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, 385902340321 + ... + 385902340380.

It is an arithmetic number, because the mean of its divisors is an integer number (3473121063159).

Almost surely, 2^{23154140421030} is an apocalyptic number.

23154140421030 is an abundant number, since it is smaller than the sum of its proper divisors (32415796589514).

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

23154140421030 is a wasteful number, since it uses less digits than its factorization.

23154140421030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771804680711.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 23154140421030 its reverse (3012404145132), we get a palindrome (26166544566162).

The spelling of 23154140421030 in words is "twenty-three trillion, one hundred fifty-four billion, one hundred forty million, four hundred twenty-one thousand, thirty".