20233077723465 has 32 divisors (see below), whose sum is σ = 33781099355136. Its totient is φ = 10321601357760.

The previous prime is 20233077723409. The next prime is 20233077723473. The reversal of 20233077723465 is 56432777033202.

It is a happy number.

It is not a de Polignac number, because 20233077723465 - 2¹⁷ = 20233077592393 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18090882 + ... + 19176708.

It is an arithmetic number, because the mean of its divisors is an integer number (1055659354848).

Almost surely, 2^{20233077723465} is an apocalyptic number.

It is an amenable number.

20233077723465 is a deficient number, since it is larger than the sum of its proper divisors (13548021631671).

20233077723465 is a wasteful number, since it uses less digits than its factorization.

20233077723465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139869.

The product of its (nonzero) digits is 8890560, while the sum is 51.

The spelling of 20233077723465 in words is "twenty trillion, two hundred thirty-three billion, seventy-seven million, seven hundred twenty-three thousand, four hundred sixty-five".