23154214101015 has 16 divisors (see below), whose sum is σ = 37046806391808. Its totient is φ = 12348892910496.

The previous prime is 23154214100951. The next prime is 23154214101017. The reversal of 23154214101015 is 51010141245132.

It is not a de Polignac number, because 23154214101015 - 2⁶ = 23154214100951 is a prime.

It is a super-2 number, since 2×23154214101015² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154214101017) 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 15 ways as a sum of consecutive naturals, for example, 11933974 + ... + 13737836.

It is an arithmetic number, because the mean of its divisors is an integer number (2315425399488).

Almost surely, 2^{23154214101015} is an apocalyptic number.

23154214101015 is a deficient number, since it is larger than the sum of its proper divisors (13892592290793).

23154214101015 is a wasteful number, since it uses less digits than its factorization.

23154214101015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659598.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 23154214101015 its reverse (51010141245132), we get a palindrome (74164355346147).

The spelling of 23154214101015 in words is "twenty-three trillion, one hundred fifty-four billion, two hundred fourteen million, one hundred one thousand, fifteen".