234890644105653 has 8 divisors (see below), whose sum is σ = 313187602257600. Its totient is φ = 156593724345408.

The previous prime is 234890644105639. The next prime is 234890644105763. The reversal of 234890644105653 is 356501446098432.

It is a happy number.

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

It is not a de Polignac number, because 234890644105653 - 2⁹ = 234890644105141 is a prime.

It is a super-2 number, since 2×234890644105653² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234890644105253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10981933 + ... + 24297821.

It is an arithmetic number, because the mean of its divisors is an integer number (39148450282200).

Almost surely, 2^{234890644105653} is an apocalyptic number.

It is an amenable number.

234890644105653 is a deficient number, since it is larger than the sum of its proper divisors (78296958151947).

234890644105653 is a wasteful number, since it uses less digits than its factorization.

234890644105653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19195851.

The product of its (nonzero) digits is 74649600, while the sum is 60.

The spelling of 234890644105653 in words is "two hundred thirty-four trillion, eight hundred ninety billion, six hundred forty-four million, one hundred five thousand, six hundred fifty-three".