1223352500465 has 32 divisors (see below), whose sum is σ = 1513110122496. Its totient is φ = 948936407040.

The previous prime is 1223352500399. The next prime is 1223352500479. The reversal of 1223352500465 is 5640052533221.

It is a de Polignac number, because none of the positive numbers 2^k-1223352500465 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22192217 + ... + 22247273.

It is an arithmetic number, because the mean of its divisors is an integer number (47284691328).

Almost surely, 2^{1223352500465} is an apocalyptic number.

It is an amenable number.

1223352500465 is a deficient number, since it is larger than the sum of its proper divisors (289757622031).

1223352500465 is a wasteful number, since it uses less digits than its factorization.

1223352500465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55769.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1223352500465 in words is "one trillion, two hundred twenty-three billion, three hundred fifty-two million, five hundred thousand, four hundred sixty-five".