235223770556145 has 16 divisors (see below), whose sum is σ = 430123466160000. Its totient is φ = 107530866539904.

The previous prime is 235223770556141. The next prime is 235223770556147. The reversal of 235223770556145 is 541655077322532.

It is not a de Polignac number, because 235223770556145 - 2² = 235223770556141 is a prime.

It is a super-2 number, since 2×235223770556145² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (235223770556141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1120113193020 + ... + 1120113193229.

It is an arithmetic number, because the mean of its divisors is an integer number (26882716635000).

Almost surely, 2^{235223770556145} is an apocalyptic number.

It is an amenable number.

235223770556145 is a deficient number, since it is larger than the sum of its proper divisors (194899695603855).

235223770556145 is a wasteful number, since it uses less digits than its factorization.

235223770556145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240226386264.

The product of its (nonzero) digits is 52920000, while the sum is 57.

The spelling of 235223770556145 in words is "two hundred thirty-five trillion, two hundred twenty-three billion, seven hundred seventy million, five hundred fifty-six thousand, one hundred forty-five".