223687157461 has 4 divisors (see below), whose sum is σ = 223762450624. Its totient is φ = 223611864300.

The previous prime is 223687157459. The next prime is 223687157611. The reversal of 223687157461 is 164751786322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223687157461 - 2¹ = 223687157459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223687157399 and 223687157408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223687152461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37642125 + ... + 37648066.

It is an arithmetic number, because the mean of its divisors is an integer number (55940612656).

Almost surely, 2^223687157461 is an apocalyptic number.

It is an amenable number.

223687157461 is a deficient number, since it is larger than the sum of its proper divisors (75293163).

223687157461 is an equidigital number, since it uses as much as digits as its factorization.

223687157461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75293162.

The product of its digits is 3386880, while the sum is 52.

The spelling of 223687157461 in words is "two hundred twenty-three billion, six hundred eighty-seven million, one hundred fifty-seven thousand, four hundred sixty-one".