1023421343235 has 16 divisors (see below), whose sum is σ = 1637622161664. Its totient is φ = 545775378912.

The previous prime is 1023421343233. The next prime is 1023421343239. The reversal of 1023421343235 is 5323431243201.

It is not a de Polignac number, because 1023421343235 - 2¹ = 1023421343233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023421343196 and 1023421343205.

It is not an unprimeable number, because it can be changed into a prime (1023421343233) 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, 2911807 + ... + 3244296.

It is an arithmetic number, because the mean of its divisors is an integer number (102351385104).

Almost surely, 2^{1023421343235} is an apocalyptic number.

1023421343235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1023421343235 is a deficient number, since it is larger than the sum of its proper divisors (614200818429).

1023421343235 is a wasteful number, since it uses less digits than its factorization.

1023421343235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167194.

The product of its (nonzero) digits is 51840, while the sum is 33.

Adding to 1023421343235 its reverse (5323431243201), we get a palindrome (6346852586436).

The spelling of 1023421343235 in words is "one trillion, twenty-three billion, four hundred twenty-one million, three hundred forty-three thousand, two hundred thirty-five".