1223547253577 has 8 divisors (see below), whose sum is σ = 1334786884032. Its totient is φ = 1112308966800.

The previous prime is 1223547253573. The next prime is 1223547253633. The reversal of 1223547253577 is 7753527453221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1223547253577 - 2² = 1223547253573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223547253573) 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 7 ways as a sum of consecutive naturals, for example, 3066143 + ... + 3442139.

It is an arithmetic number, because the mean of its divisors is an integer number (166848360504).

Almost surely, 2^{1223547253577} is an apocalyptic number.

It is an amenable number.

1223547253577 is a deficient number, since it is larger than the sum of its proper divisors (111239630455).

1223547253577 is a wasteful number, since it uses less digits than its factorization.

1223547253577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671839.

The product of its digits is 12348000, while the sum is 53.

The spelling of 1223547253577 in words is "one trillion, two hundred twenty-three billion, five hundred forty-seven million, two hundred fifty-three thousand, five hundred seventy-seven".