11423893860915 has 32 divisors (see below), whose sum is σ = 18356853173760. Its totient is φ = 6066586285056.

The previous prime is 11423893860901. The next prime is 11423893860917. The reversal of 11423893860915 is 51906839832411.

It is a happy number.

It is not a de Polignac number, because 11423893860915 - 2²¹ = 11423891763763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11423893860917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2037066 + ... + 5195904.

It is an arithmetic number, because the mean of its divisors is an integer number (573651661680).

Almost surely, 2^{11423893860915} is an apocalyptic number.

11423893860915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11423893860915 is a deficient number, since it is larger than the sum of its proper divisors (6932959312845).

11423893860915 is a wasteful number, since it uses less digits than its factorization.

11423893860915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159883.

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 11423893860915 in words is "eleven trillion, four hundred twenty-three billion, eight hundred ninety-three million, eight hundred sixty thousand, nine hundred fifteen".