223261657153 has 2 divisors, whose sum is σ = 223261657154. Its totient is φ = 223261657152.

The previous prime is 223261657061. The next prime is 223261657181. The reversal of 223261657153 is 351756162322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 221909771329 + 1351885824 = 471073^2 + 36768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223261657153 is a prime.

It is a super-3 number, since 3×223261657153³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (223261657183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111630828576 + 111630828577.

It is an arithmetic number, because the mean of its divisors is an integer number (111630828577).

Almost surely, 2^223261657153 is an apocalyptic number.

It is an amenable number.

223261657153 is a deficient number, since it is larger than the sum of its proper divisors (1).

223261657153 is an equidigital number, since it uses as much as digits as its factorization.

223261657153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 43.

The spelling of 223261657153 in words is "two hundred twenty-three billion, two hundred sixty-one million, six hundred fifty-seven thousand, one hundred fifty-three".