234455145143623 has 2 divisors, whose sum is σ = 234455145143624. Its totient is φ = 234455145143622.

The previous prime is 234455145143539. The next prime is 234455145143729. The reversal of 234455145143623 is 326341541554432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 234455145143623 - 2⁴¹ = 232256121888071 is a prime.

It is a super-2 number, since 2×234455145143623² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234455145143423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117227572571811 + 117227572571812.

It is an arithmetic number, because the mean of its divisors is an integer number (117227572571812).

Almost surely, 2^{234455145143623} is an apocalyptic number.

234455145143623 is a deficient number, since it is larger than the sum of its proper divisors (1).

234455145143623 is an equidigital number, since it uses as much as digits as its factorization.

234455145143623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736000, while the sum is 52.

The spelling of 234455145143623 in words is "two hundred thirty-four trillion, four hundred fifty-five billion, one hundred forty-five million, one hundred forty-three thousand, six hundred twenty-three".